A 12-MHz-bandwidth fiber laser is reported by coherently arraying eight 10-nm-bandwidth lasers with an 85% addition efficiency. By threshold control of the supermodes, high-speed (>1kHz), high-contrast-ratio (>20dB) beam direction control has been demonstrated.
© 2005 Optical Society of America
A. Shirakawa, K. Matsuo, and K. Ueda, "Fiber Laser Coherent Array for Power Scaling, Bandwidth Narrowing and Beam Direction Control," in Advanced Solid-State Photonics, Technical Digest (Optical Society of America, 2005), paper MC3.
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